Windows flashes when scrolling on in the task bar, Alt - Tab does not.

OK it drives me absolutely crazy. for these past few weeks, my taskbar and alt - tab has been broken. When I move the taskbar of the program im trying to open just blinks but never actually maximizes.  I noticed that it only flashes I have my cursor over the icon. But if I leave it right on it to open its own it never made. Alt - Tab is also the exact same thing (which makes me assume that the question is related.) I click on buttons and pop-up windows, but does not open anything.

I looked around and I know that this question emerged with a reliablitiy of windows there are few up-to-date kb977074, but wasn't in my update list. SO I now have no idea what to do. Ive played around with the parameters monitored for defective or damaged files, and really, I don't want to have to do a system restore. especially since ive restored my computer and he was doing it before I updated. so... ideas would be very appreciated.

Thanks in advance :)

Hello

Welcome to Microsoft Community forum.

I would be grateful if you can provide us with the following information to help us better understand the issue.

  1. You have installed all the programs, application or updated before the show?
  2. How did you check the defective or damaged your system files?
  3. Do you receive an error message or error code while using the taskbar?

Try it out below mentioned methods and see if it works for you.

Method 1

Try to perform a full scan of your computer using Security Microsoft Scanner.

 

The Microsoft Security Scanner is a downloadable security tool for free which allows analysis at the application and helps remove viruses, spyware and other malware. It works with your current antivirus software.

http://www.Microsoft.com/security/scanner/en-us/default.aspx

 

Note: The Microsoft Safety Scanner ends 10 days after being downloaded. To restart a scan with the latest definitions of anti-malware, download and run the Microsoft Safety Scanner again.

 

Note: The data files that are infected must be cleaned only by removing the file completely, which means that there is a risk of data loss.

Method 2

If the problem persists, I suggest to check the integrity of the system and for this you may need to run the SFC (System File Checker).

Scan SFC will be scans all protected system files and replaces incorrect versions with appropriate Microsoft versions.

How to use the System File Checker tool to fix the system files missing or corrupted on Windows Vista or Windows 7

  1. Go to Start, click all programs and open the Accessories.
  2. Right-click on command prompt in the list programs, and then select run as administrator. If you are prompted for an administrator password or for confirmation, type your password, or click OK.
  3. In the command prompt, type the following command and press ENTER:

sfc/scannow


For more information, refer to this link:

http://support.Microsoft.com/kb/929833/en-us

Hope it would help. If problem persists always post back with the current state of your computer, the information required and the result of proposed suggestion, we will be happy to help you.

Thank you.

Tags: Windows

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